EP3156548B1 - A method for providing an alert - Google Patents

A method for providing an alert Download PDF

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Publication number
EP3156548B1
EP3156548B1 EP16193149.8A EP16193149A EP3156548B1 EP 3156548 B1 EP3156548 B1 EP 3156548B1 EP 16193149 A EP16193149 A EP 16193149A EP 3156548 B1 EP3156548 B1 EP 3156548B1
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EP
European Patent Office
Prior art keywords
working vehicle
vehicle
distance
alert system
travelled
Prior art date
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EP16193149.8A
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German (de)
English (en)
French (fr)
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EP3156548A1 (en
Inventor
Michael Mckee
Adeyosola SODEINDE
Matt Cook
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JC Bamford Excavators Ltd
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JC Bamford Excavators Ltd
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Publication of EP3156548A1 publication Critical patent/EP3156548A1/en
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Publication of EP3156548B1 publication Critical patent/EP3156548B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/065—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/26—Indicating devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/003—Safety devices, e.g. for limiting or indicating lifting force for fork-lift trucks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/0755—Position control; Position detectors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F1/00—General working methods with dredgers or soil-shifting machines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/085—Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/16—Cabins, platforms, or the like, for drivers
    • E02F9/166—Cabins, platforms, or the like, for drivers movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • E02F9/2079—Control of mechanical transmission
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/26—Indicating devices
    • E02F9/264—Sensors and their calibration for indicating the position of the work tool
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/963—Arrangements on backhoes for alternate use of different tools
    • E02F3/964—Arrangements on backhoes for alternate use of different tools of several tools mounted on one machine

Definitions

  • the present invention relates to a method for providing an alert, in particular an alert for a distance travelled by a working vehicle, such as defined in WO 2015/129932 A1 between a digging location and a dumping location ( US 2008/127531 A1 shows a semi automatic control to improve digging operation efficiency during trench excavation without alert system).
  • Known working vehicles such as backhoe loaders, have a materials handling implement, such as a loading shovel, mounted on the front of the vehicle and a further materials handling implement, such as a backhoe, mounted on the back of the vehicle.
  • Other working vehicles for example excavators or telescopic handlers have a materials handling implement mounted on one end of the vehicle.
  • Known backhoe loaders include an arm assembly having an arm, known as a boom, pivotally mounted about a generally horizontal axis relative to a chassis of the vehicle.
  • a further arm known as a dipper, may be attached to an end of the boom remote from the chassis and may be pivotable about a generally horizontal axis.
  • a material handling implement such as a bucket or an auger, may be pivotably mounted on an end of the dipper.
  • the boom may be raised and lowered by operation of a first hydraulic ram.
  • the dipper may be moveable relative to the boom by operation of a second hydraulic ram.
  • the bucket may be moveable relative to the dipper by operation of a third hydraulic ram.
  • the seat When the operator wishes to move the vehicle, the seat is orientated in a forwards facing direction and the operator can use controls such as the steering wheel, a foot brake, a foot clutch, a foot accelerator, forward and reverse levers and a gear box having forward and reverse gears to move the vehicle over the ground.
  • controls such as the steering wheel, a foot brake, a foot clutch, a foot accelerator, forward and reverse levers and a gear box having forward and reverse gears to move the vehicle over the ground.
  • the front loading shovel When it is necessary to move the vehicle from a distance one location to another location, the front loading shovel will be lifted above ground level and the vehicle can be driven, in the manner of a car (automobile), with the operator facing forwards and using the steering wheel, brake, clutch and accelerator controls (i.e. the vehicle is in a 'moving' state).
  • the vehicle When the operator wishes to use the backhoe, the vehicle is changed into a 'working' state. In this condition, the seat is rotated to face rearwardly.
  • the vehicle When using the backhoe the vehicle will be stationary, and indeed some or all of the wheels may be lifted off the ground by operation of stabiliser legs and/or lowering of the front loading shovel into engagement with the ground.
  • Known backhoe loaders have a stabiliser on the rear right hand side of the vehicle and a further stabiliser on the rear left hand side of the vehicle. Each stabiliser is controlled individually by a separate operator input, i.e. there is one operator input which only controls the right hand stabiliser and a further operator input which only controls the left hand stabiliser. Prior to using the backhoe each stabiliser is engaged with the ground.
  • a vehicle operator In order to handle material, for example dig a trench, a vehicle operator must simultaneously operate all three hydraulic rams on the arm assembly and this is a skilful process. A skilful operator, when digging a trench will quickly be able to fill the bucket with material, lift the bucket out of the trench and empty the bucket to one or other side of the vehicle.
  • the excavation cycle generally starts with the arm assembly (i.e. the boom and the dipper) in a fully extended position and, as the trench is dug towards the rear of vehicle, the arm assembly is incrementally retracted until the boom and dipper are in a fully retracted position adjacent to the rear of the vehicle.
  • the operator To further extend the trench it is necessary for the operator to move the vehicle a distance to re-position the vehicle. This typically involves the operator moving the seat to a forwards facing direction and moving the vehicle by a required distance (for example the length of the arm assembly or the length of the vehicle) to the next digging position.
  • the operator typically determines the required distance visually, usually by straining to look in the direction opposite to the direction the vehicle is travelling.
  • the operator may leave the backhoe loader in a fully extended position during re-positioning in order to more accurately measure the distance; however this adversely affects the stability of the vehicle.
  • WO2016/032812 describes a system for assisting an operator to manoeuver a machine on a worksite.
  • the system includes a rotation sensor associated with a transmission assembly of the machine.
  • the rotation sensor is configured to generate a signal indicative of a rotation of a ground engaging member of the machine.
  • an operator can accurately and efficiently re-position the vehicle to the next working position, for example the next digging location, without straining to look in a direction opposite to the direction of travel of a vehicle and without the need for repeated re-positioning to ensure the vehicle is in the correct position.
  • step (c) the vehicle may be moved in a forwards direction.
  • the vehicle may be an excavator, or a telescopic handler, or a backhoe loader.
  • An excavator has a boom, dipper and bucket mounted on a cab that are mounted on a rotating platform. The forwards direction of an excavator is the direction faced by the operator in the cab.
  • a telescopic handler or telehandler, has a single telescopic boom that extends forwards from the vehicle.
  • a bucket as attachment is fitted on the telescopic boom.
  • the forwards direction of a telescopic handler is the direction faced by the attachment and the operator.
  • a backhoe loader is a working machine or vehicle having a shovel mounted on the front end of the machine or vehicle and a boom, dipper and bucket (or another attachment, for example an auger) on the rear end of the machine or vehicle.
  • the forwards direction of a backhoe loader is the direction faced by the shovel.
  • the step of detecting a signal that the working vehicle has changed from a 'working' state to a 'moving' state may include one or more of detecting that a seat for an operator of the working vehicle has moved from a rearward facing position to a forward facing position; and/or detecting that a ground engaging component of the working machine has moved from a ground engaging position to a raised position; and/or detecting that a drive direction has been selected for the vehicle; and/or detecting that the machine is moving; and/or detecting that the machine work end has been actuated or deactivated.
  • the ground engaging component may be a stabiliser or a blade or a shovel.
  • the step of enabling the alert system may include setting a start position.
  • the step of setting a target distance to be travelled by the vehicle may include entering the target distance in the alert system.
  • the step of setting a target distance to be travelled by the vehicle may include enabling the alert system at a first position, moving the vehicle to a second position and setting the distance travelled between the first position and the second position as the target distance.
  • the target distance may be less than 100 metres, for example less than 50 metres, for example less than 10 metres.
  • the vehicle may be moved a distance from the first position to the second position.
  • the vehicle may also be moved a distance from the second position to a third position, the third position being spaced apart from the second position by the target distance.
  • the vehicle may further be moved a distance from the third position to a fourth position, the fourth position being spaced apart from the third position by the target distance.
  • the vehicle may include an arm having a fully extended position and a fully retracted position and the target distance may be equal to or less than the length the arm travels between the fully retracted position and the fully extended position.
  • the arm may be mounted on the back of the vehicle. Alternatively, the arm may be mounted on the front of the vehicle.
  • the alarm may include an audible, visual or vibration alarm.
  • the alarm may have a frequency that increases as the difference between the distance travelled by the vehicle and the target distance decreases.
  • the alarm may be continuous when the distance travelled by the vehicle equals the target distance.
  • the method may include the step of calibrating the distance travelled by the vehicle to a specified distance.
  • the step of calibrating the distance travelled by the vehicle may include one or more of: measuring a known distance; placing a first marker at a first end of the known distance; placing a second marker at a second end of the known distance; moving the vehicle from one of the first or second markers to the other of the first or second markers; and setting the distance travelled between first and second markers as the specified distance.
  • An algorithm may be used to calculate the distance travelled by the vehicle.
  • a global positioning system may be used to determine the distance travelled by the machine.
  • the method may further include the step of activating the alert system.
  • the step of activating the alert system may include actuating a control lever associated with a ground engaging component of the vehicle.
  • the step of activating the alert system may include actuating a controller for the alert system.
  • the method may further comprise the step of disabling the alert system.
  • the step of disabling the alert system may include detecting a signal that the vehicle has changed from a 'moving' state to a 'working' state.
  • the step of detecting a signal that the vehicle has changed from a 'moving' state to a 'working' state may include one or more of detecting that a seat for an operator of the vehicle has moved from a forward facing position to a rearward facing position; and/or detecting that a ground engaging component of the machine has moved from a raised position to a ground engaging position; and/or detecting that vehicle is in neutral; and/or detecting speed or movement of the vehicle; and/or detecting the machine work end has been actuated or deactivated.
  • the method may further include the step of deactivating the alert system.
  • the step of deactivating the alert system may include actuating a control lever associated with a ground engaging component of the vehicle.
  • the step of deactivating the alert system may include actuating a control lever associated with a material engaging component of the vehicle.
  • the step of deactivating the alert system may include actuating a controller for the alert system.
  • a vehicle configured to perform digging operations, the vehicle comprising an alert system for providing an alert for a distance travelled by a vehicle between digging locations, the alert system being configured to: receive data relating to a target distance to be travelled by the vehicle; receive data relating to the distance travelled by the vehicle from a first digging location to a second digging location; compare the distance travelled by the vehicle and the target distance; and provide an alert based on the comparison.
  • a material handling vehicle in the form of a backhoe loader 10 having a chassis 12 supported by ground engaging motive (or transport) means in the form of front wheels 14A and rear wheels 14B.
  • a loading arm 16 at the front of which (the work end) is mounted an implement, in this case a loading shovel 18.
  • the loading arm 16 and loading shovel 18 are mounted on the front of the vehicle.
  • the vehicle also includes a rear right stabiliser 60 and rear left stabiliser 62 (see Figure 3 ).
  • the rear left stabiliser 62 is pivotably mounted to the chassis 12 of the vehicle about a generally horizontal axis A1.
  • the rear right stabiliser 60 is pivotably attached to the chassis 12 about a generally horizontal axis A2.
  • a backhoe 20 having a boom 21, a dipper arm 22 and a ground-engaging implement in the form of a bucket 23 (see Figure 1 ).
  • the boom 21 is pivotally mounted by pivot 40 to link 42 at a first end 21A of the boom 21.
  • Link 42 is pivotally mounted at a generally vertical axis relative to the vehicle frame.
  • Pivot 40 is orientated horizontally.
  • the dipper arm 22 is pivotally mounted via pivot 44 to a second end 21B of the boom 21.
  • Pivot 44 is orientated horizontally.
  • the bucket 23 is pivotally mounted via pivot 46 to an end 22B of dipper arm 22 remote from end 22A of dipper arm 22. Pivot 46 is orientated horizontally.
  • a first hydraulic actuator in the form of a first hydraulic ram 48 has a first end 48A pivotally attached to the link 42 and a second end 48B pivotally attached to the boom 21 part way between the first and second ends of the boom 21.
  • a second hydraulic actuator in the form of a second hydraulic ram 50 has a first end 50A pivotally attached to the boom 21 part way between the first and second ends of the boom 21 and a second end 50B pivotally attached to the dipper arm 22 proximate the first end 22A of the dipper arm 22.
  • a third hydraulic actuator in the form of third hydraulic ram 52 has a first end 52A pivotally attached to the dipper arm 22 proximate the first end 22A of the dipper arm 22 and a second end 52B pivotally attached to a linkage mechanism 54 proximate the second end 22B of the dipper arm 22.
  • the linkage mechanism 54 per se is known and simply converts extension and retraction movement of the third hydraulic ram 52 into rotary movement of the bucket 23 about pivot 46.
  • Contraction of the first hydraulic ram 48 causes the boom 21 to raise and extension of the first hydraulic ram 48 causes lowering of the boom 21.
  • Contraction of the second hydraulic ram 50 causes the dipper arm 22 to move in an anti-clockwise direction (when viewing Figure 1 ) about pivot 44, i.e. it causes the dipper arm 22 to move in a "dipper in” direction
  • extension of the second hydraulic ram 50 causes the dipper arm 22 to move in a clockwise direction (when viewing Figure 1 ) about pivot 44, i.e. in a "dipper out” direction.
  • Contraction of the third hydraulic ram 52 causes the bucket 23 to move in an anti-clockwise direction about pivot 46, i.e. in a "crowd” direction
  • extension of the third hydraulic ram 52 causes the bucket 23 to move in a clockwise direction about pivot 46, i.e. in a "dump" direction.
  • the first, second and third hydraulic rams 48, 50, 52 are all double acting hydraulic rams.
  • Double acting hydraulic rams per se are known. They include a piston within a cylinder. The piston is attached to a rod which extends beyond the end of the cylinder. The end of the rod remote from the piston defines one end of the hydraulic ram. The end of the cylinder remote from the rod defines an opposite end of the hydraulic ram.
  • a "head side chamber” is defined between the piston and the end of the cylinder remote from the rod.
  • a “rod side chamber” is defined between the piston and the end of the cylinder proximate the rod. Pressurisation of the head side chamber extends the ram and pressurisation of the rod side chamber causes the ram to retract.
  • the vehicle includes an engine 25 which provides power to drive the vehicle over the ground.
  • the engine 25 also provides power to operate a hydraulic pump which can selectively provide pressurised hydraulic fluid to the various rams 27, 48, 50, 52 of the vehicle to operate the loading arm 16, loading shovel 18, boom 21, dipper arm 22, bucket 23, rear right stabiliser 60, rear left stabiliser 62, etc. so as to enable material to be handled.
  • the vehicle includes an operator cab 30 including an operator seat 31.
  • the operator cab includes operator controls such as a steering wheel 32, a foot brake 33, a foot throttle 34, a hand throttle 35, a dashboard control panel 39, backhoe control levers 36, a rear right stabiliser control lever 37A and a rear left stabiliser control lever 37B.
  • Actuation of the rear right stabiliser control lever 37A causes actuation of the hydraulic ram associated with the rear right stabiliser (not shown) to pivot the rear right stabiliser 60 from a retracted position (as shown in Figures 1 and 2 ) to a deployed position (as shown in Figure 3 ) such that the pad 61 engages the ground.
  • the rear right stabiliser control lever 37A has a detent, such that displacement of the rear right stabiliser control lever 37A is proportional to the speed of retraction up to the detent. Actuation of the rear right stabiliser control lever 37A beyond the detent causes auto retraction.
  • actuation of the rear left stabiliser control lever 37B causes actuation of the hydraulic ram associated with the rear left stabiliser (not shown) to pivot the rear left stabiliser 62 from a retracted position (as shown in Figures land 2) to a deployed position (as shown in Figure 3 ) such that the pad 63 engages the ground.
  • the rear left stabiliser control lever 37B also has a detent, such that displacement of the rear left stabiliser control lever 37B is proportional to the speed of retraction up to the detent. Actuation of the rear left stabiliser control lever 37B beyond the detent causes auto retraction.
  • the operator seat 31 is facing forwards.
  • the operator seat is rotatable and can be rotated to the position shown in Figure 2 , where it faces the rear of the vehicle.
  • the vehicle also includes a re-positioning alert system 70.
  • the re-positioning alert system 70 facilitates more accurate re-positioning of the vehicle.
  • the alert system 70 compares the distance travelled by the vehicle with a pre-set target (or pre-determined) distance.
  • the alert system 70 produces an alert, the frequency of which increases in proportion to the distance travelled by the vehicle.
  • the alert is continuous and hence the operator knows the vehicle has travelled the target distance.
  • the dashboard control panel 39 includes a 're-positioning alert system' menu for use in calibrating the system and setting the pre-set target distance, as will be described further.
  • the 're-positioning alert system' menu includes the following sub-menus: a 'calibration' sub-menu, a 'target distance' sub-menu and an 'activation' sub-menu.
  • a vehicle including a re-positioning alert system 70 When a vehicle including a re-positioning alert system 70 is first produced or if the operator changes the rim or tyre size, the vehicle is calibrated to actual ground distance. This requires measuring and marking out a known distance on flat, level ground in a straight line and positioning the vehicle on a marker at the start of the measured distance. The operator then selects the 're-positioning alert system' menu on the dashboard control panel 39 and then selects the 'calibration' sub-menu. When prompted, the operator selects 'start' on the 'calibration' sub-menu and drives to a marker at the end of the measured distance. When the vehicle reaches the end marker, the vehicle is stopped and 'stop' is selected on the 'calibration' sub-menu.
  • the re-positioning alert system 70 relates the distance travelled with a signal from the vehicle that is indicative of the distance travelled in order to measure future distances travelled.
  • calibration could take place using an algorithm which, knowing the gear ratios of the drive train system, the wheel size and the tyre size, can calculate the actual distance travelled by the vehicle and auto calibrate.
  • the vehicle could be calibrated using a Global Positioning System (GPS) to determine the actual distance travelled by the vehicle.
  • GPS Global Positioning System
  • the target distance is the distance between a first working position of the machine and a second working position of the machine.
  • the target distance may, for example, be set to match the optimum length of a trench which can be dug before re-positioning of the vehicle is required, or to the distance between successive poles or holes to be dug in a line.
  • the target distance can be set in a number of ways, examples of which are described below.
  • the operator selects the 'target distance' sub-menu in the 're-positioning alert system' menu of the dashboard control panel 39, selects 'set distance' and then manually enters a distance in either metres or feet.
  • the target distance is set by selecting 'accept' when prompted.
  • the operator may select the 'target distance' sub-menu in the 're-positioning alert system' menu of the dashboard control panel 39, then select the 'drive distance' option. The operator may then select 'start', drive the vehicle the required distance, stop the vehicle and then select 'stop'. The target distance is set by selecting 'accept' when prompted. Using this approach, the distance travelled by the vehicle becomes the target distance.
  • the re-positioning alert system 70 can be selectively activated or de-activated by the operator.
  • the re-positioning alert system 70 may be activated in a number of different ways, examples of which are described below.
  • the re-positioning alert system 70 is activated by the operator actuating both the rear right stabiliser control lever 37A and the rear left stabiliser control lever 37B and holding the levers 37A, 37B in the actuated position (beyond the detent) for a period of time, for example more than 5 seconds.
  • an operator can select the 'activation' sub-menu in the 're-positioning alert system' menu on the dashboard control panel 39 and select 'on' or 'activate'.
  • the operator With the re-positioning alert system 70 activated, the operator enables the re-positioning alert system 70 by one or more of:
  • the vehicle In this condition, the vehicle is in a 'moving' state.
  • Enabling the activated re-positioning alert system 70 triggers the start position and the alert starts at a slow frequency. As the vehicle is moved, the frequency of the alert increases as the target distance is approached. When the distance travelled equals the target distance, the alert is continuous and hence the operator knows that the vehicle has travelled the target distance.
  • the alert is an audible alarm having a frequency such that the alarm tones are separated by silent pauses.
  • the frequency of the alarm tones increases.
  • the alarm is continuous and hence the operator knows the vehicle has travelled the target distance.
  • the alert may be a visual alert, for example a flashing light displayed in the operator cab 30.
  • the frequency of the light flashes increase as the difference between the distance travelled by the vehicle and the target distance decreases.
  • the visual alert may be a lit bar chart on the vehicle dashboard, the number of lit bars increasing or decreasing as the distance travelled by the vehicle approaches the target distance. The colour of the lights may change in relation to the distance travelled by the vehicle.
  • the alert may be a vibration signal, the frequency of which increases as the difference between the distance travelled by the vehicle and the target distance decreases.
  • the vibration alert is continuous and hence the operation knows the vehicle has travelled the target distance.
  • the re-positioning alert system may be disabled by one or more of:
  • the vehicle In this condition, the vehicle is in a 'working' state.
  • the re-positioning alert system 70 is disabled if the distance travelled by the vehicle exceeds the target distance by more than a specified distance, for example 1 metre, and hence the alert will stop.
  • the re-positioning alert system 70 may also be disabled if the operator changes the direction in which the vehicle is moving, and hence the alert will stop.
  • the re-positioning alert system 70 may be deactivated in a number of ways, examples of which are described below.
  • the re-positioning alert system 70 is deactivated by the operator actuating both the rear right stabiliser control lever 37A and the rear left stabiliser control lever 37B and holding the levers 37A, 37B in the actuated position (beyond the detent) for a period of time, for example more than 5 seconds.
  • the operator can select the 'activation' sub-menu in the 're-positioning alert system' menu on the dashboard control panel 39 and select 'off or 'deactivate'.
  • Example 1 digging a trench
  • the vehicle is driven to the site.
  • the boom 21 is then further lowered such that the bucket teeth (not shown) engage the ground.
  • the bucket 23 is then crowded slightly so as to start to move the bucket teeth through the ground.
  • the dipper arm 22, boom 21 and bucket 23 are then operated to move the dipper arm 22 in a "dipper in” direction and to move the boom 21 in a "boom raised” direction and to move the bucket in a "crowd” direction such that the bucket teeth move towards the chassis 12 to fill the bucket 23 with ground material.
  • the boom 21 is raised, the backhoe 20 is swung laterally relative to the vehicle and the ground material is then dumped by moving the bucket 23 to a "dumped" position. The sequence is then repeated. As the bucket 23 is returned to the trench it is positioned closer to the rear of the vehicle ready to take the next load of ground material.
  • the operator actuates both the rear right stabiliser control lever 37A and the rear left stabiliser control lever 37B beyond their detents to raise each of the rear right stabiliser 60 and rear left stabiliser 62 to the fully retracted positions, with each of the pads 61, 63 out of contact with the ground.
  • the operator turns the seat 31 to the forward facing position, selects the 'target distance' sub-menu in the 're-positioning alert system' menu of the dashboard control panel 39, then selects the 'drive distance' option.
  • the operator selects 'start', selects a drive direction (e.g. forwards), drives the vehicle a chosen distance to allow continued excavation of the trench, stops the vehicle (at the second position) and then selects 'stop'.
  • the target distance i.e. the distance between the first position and the second position
  • the re-positioning alert system 70 is in the 'deactivated' state, no sound will be heard.
  • the operator can activate the alert system 70 using any of the approaches described above.
  • the operator moves the operator seat 31 to the forward facing position and selects a drive direction (e.g. forwards), which triggers the start position and the alert starts to beep at a slow rate.
  • the vehicle is driven as normal with the frequency of the beeps increasing as the target distance is approached.
  • the alert produced is a solid tone.
  • the operator then uses the backhoe control levers 36 as described above to excavate the third section of the trench.
  • the process is repeated and the vehicle moved to successive positions each separated by the target distance until the trench is the desired length.
  • the operator can either deactivate the re-positioning alert system 70 by actuating both the rear right stabiliser control lever 37A and the rear left stabiliser control lever 37B and holding the levers 37A, 37B in the actuated position (beyond the detent) for a period of time, for example more than 5 seconds or by selecting the 'activation' sub-menu in the 're-positioning alert system' menu on the dashboard control panel 39 and selecting 'off or 'deactivate'.
  • the operator can drive the vehicle as normal (with the alert system 70 producing an alarm). Once the vehicle has been driven further than the target distance by more than a specified distance, for example 1 metre, the alert system 70 will be disabled. In this state, the alerts will not sound while the vehicle is being driven, but the alert system 70 will be active and ready for subsequent use.
  • a specified distance for example 1 metre
  • Example 2 augering holes for telegraph poles
  • the vehicle is driven to the site.
  • the operator stops the vehicle at the position required for the first telegraph pole (the first position) and puts the vehicle in neutral.
  • the operator selects the 'target distance' sub-menu in the 're-positioning alert system' menu of the dashboard control panel 39, selects 'set distance' and then manually enters a distance in either metres or feet.
  • the target distance is set by selecting 'accept' when prompted.
  • the operator rotates the seat 31 to the rear facing position (as shown in Figure 2 ).
  • the operator actuates both the rear right stabiliser control lever 37A and the rear left stabiliser control lever 37B to cause each of the rear right stabiliser 60 and rear left stabiliser 62 to be deployed by an appropriate amount so that each of the pads 61, 63 is brought into engagement with the ground.
  • the re-positioning alert system 70 is in the 'deactivated' state, no sound will be heard.
  • the operator can activate the alert system 70 as described above.
  • the operator rotates the seat 31 to the forward facing position (as shown in figure 1 ).
  • a drive direction e.g. forwards
  • the vehicle is driven as normal with the frequency of the beeps increasing as the target distance is approached.
  • the alert produced is a solid tone.
  • the process is repeated until the required number of holes have been augered.
  • the vehicle is moved to successive positions each separated by the target distance.
  • the operator then rotates the seat 31 to the forward facing position and actuates both the rear right stabiliser control lever 37A and the rear left stabiliser control lever 37B beyond their detents to raise each of the rear right stabiliser 60 and rear left stabiliser 62 to the fully retracted positions, with each of the pads 61, 63 out of contact with the ground.
  • the operator selects a drive direction (e.g. forwards) and moves the vehicle away from the holes.
  • the operator can either deactivate the re-positioning alert system 70 by actuating both the rear right stabiliser control lever 37A and the rear left stabiliser control lever 37B and holding the levers 37A, 37B in the actuated position (beyond the detent) for a period of time, for example more than 5 seconds or by selecting the 'activation' sub-menu in the 're-positioning alert system' menu on the dashboard control panel 39 and selecting 'off or 'deactivate'.
  • the operator can drive the vehicle as normal (with the alert system 70 producing an alarm). Once the vehicle has been driven further than the target distance by more than a specified distance, for example 1 metre, the alert system 70 will be disabled. In this state, the alerts will not sound while the vehicle is being driven, but the alert system 70 will be active and ready for subsequent use.
  • a specified distance for example 1 metre
  • the alert system 70 is used in vehicles that are being used to dig a trench and auger holes for telegraph poles. It will be understood that in alternative embodiments the vehicle may be used to move grids or fence posts for installation at defined spaces or distances along a road or route or for any other purpose where it is beneficial to know the distance a vehicle has travelled compared to a target distance.
  • the re-positioning alert system 70 can be activated and deactivated and enabled and disabled by operation of the rear right stabiliser control lever and the rear left stabiliser control lever.
  • other control levers associated with other ground engaging components of the vehicle for example the blade control lever, may be used to activate and/or deactivate and/or enable and/or disable the alert system or the loader control may be used as the shovel will be lifted on and off the ground during repositioning of the vehicle.
  • the re-positioning alert system 70 may be activated and/or deactivated and/or enabled and/or disabled by any one or more of the following:

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Operation Control Of Excavators (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Traffic Control Systems (AREA)
  • Navigation (AREA)
EP16193149.8A 2015-10-15 2016-10-10 A method for providing an alert Active EP3156548B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1518265.2A GB2543334B (en) 2015-10-15 2015-10-15 A method for providing an alert

Publications (2)

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EP3156548B1 true EP3156548B1 (en) 2022-06-08

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US (1) US10882445B2 (ja)
EP (1) EP3156548B1 (ja)
JP (1) JP6871710B2 (ja)
CN (1) CN107023044A (ja)
AU (1) AU2016244225B2 (ja)
BR (1) BR102016023871B1 (ja)
ES (1) ES2920884T3 (ja)
GB (1) GB2543334B (ja)
MX (1) MX2016013408A (ja)
RU (1) RU2720541C2 (ja)

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JP7152370B2 (ja) * 2019-08-26 2022-10-12 日立建機株式会社 現場監視装置および現場監視システム
IT201900023835A1 (it) * 2019-12-12 2021-06-12 Manitou Italia Srl Macchina operatrice con stabilizzatori perfezionati.
US11035094B1 (en) * 2020-01-10 2021-06-15 Ferguson Trailer Transport, Inc. Device and method for extending material mover reach
WO2021173951A1 (en) * 2020-02-27 2021-09-02 Cnh Industrial America Llc An electric work vehicle having an electric drivetrain and storage component configuration

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Also Published As

Publication number Publication date
BR102016023871A2 (pt) 2018-03-06
EP3156548A1 (en) 2017-04-19
BR102016023871B1 (pt) 2022-09-06
RU2016139861A3 (ja) 2020-03-11
GB2543334B (en) 2020-03-11
RU2016139861A (ru) 2018-04-12
AU2016244225B2 (en) 2021-08-12
ES2920884T3 (es) 2022-08-11
AU2016244225A1 (en) 2017-05-04
JP2017101536A (ja) 2017-06-08
US10882445B2 (en) 2021-01-05
GB201518265D0 (en) 2015-12-02
CN107023044A (zh) 2017-08-08
MX2016013408A (es) 2017-05-04
GB2543334A (en) 2017-04-19
US20170106792A1 (en) 2017-04-20
JP6871710B2 (ja) 2021-05-12
RU2720541C2 (ru) 2020-05-12

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